Britain's Princess Eugenie and Jack Brooksbank pose for the media in the Picture Gallery at Buckingham Palace after they announced their engagement in London, Monday, Jan. 22, 2018. Princess Eugenie is engaged to be married later this year, several months after her cousin Prince Harry's nuptials. Eugenie, the daughter of Prince Andrew and his ex-wife Sarah Ferguson, will marry Jack Brooksbank in the fall, Buckingham Palace said Monday. (Jonathan Brady/Pool Photo via AP)

Britain's Princess Eugenie wears a ring containing a padparadscha sapphire surrounded by diamonds, as she poses with Jack Brooksbank Picture Gallery at Buckingham Palace after they announced their engagement in London, Monday, Jan. 22, 2018. Princess Eugenie is engaged to be married later this year, several months after her cousin Prince Harry's nuptials. Eugenie, the daughter of Prince Andrew and his ex-wife Sarah Ferguson, will marry Jack Brooksbank in the fall, Buckingham Palace said Monday. (Jonathan Brady/Pool Photo via AP)

Britain's Princess Eugenie and Jack Brooksbank pose for the media in the Picture Gallery at Buckingham Palace after they announced their engagement in London, Monday, Jan. 22, 2018. Princess Eugenie is engaged to be married later this year, several months after her cousin Prince Harry's nuptials. Eugenie, the daughter of Prince Andrew and his ex-wife Sarah Ferguson, will marry Jack Brooksbank in the fall, Buckingham Palace said Monday. (Jonathan Brady/Pool Photo via AP)